Features: 1.The wrist band is specially designed to compatible with Fitbit Alta HR 2017 and Fitbit Alta 2016,tracker sold separately. 2.Vancle Fitbit alta (hr) band is made from flexible, durable elastomer material,very comfortable to wear,eco-friendly and safe for the human skin. 3.Adjustable in length :Small Size 5.5-6.7 inches wrist,Large Size 6.7-8.1 inches wrist.

About us:"Vancle" is a registered trademark of Vancle and is exclusively distributed by Vancle on Amazon.US. Vancle trademark is protected by US Trademark Law.

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